CN103359140A

CN103359140A - Folding cart

Info

Publication number: CN103359140A
Application number: CN2013103273186A
Authority: CN
Inventors: 谢醒东
Original assignee: NINGBO LIXIN TOUR PRODUCTS CO Ltd
Current assignee: NINGBO LIXIN TOUR PRODUCTS CO Ltd
Priority date: 2013-07-30
Filing date: 2013-07-30
Publication date: 2013-10-23

Abstract

The invention discloses a folding cart, which comprises a rectangular upper frame and a U-shaped handrail pipe which is inclined backwards, and is characterized by further comprising support pipes, an inclined U-shaped support frame, a frame-shaped front base plate and a frame-shaped rear base plate, wherein two handrail pipe arms, extending downwards, of the handrail pipe are respectively hinged to the corresponding sides of the upper frame; two support frame arms of the support frame extend upwards to be respectively hinged to the handrail pipe arms at the corresponding sides; the support pipes and the support frame arms are arranged in a crossed way; the upper ends of the support pipes are hinged to the upper frame; the front base plate and the rear base plate are arranged front and back at the bottom and are hinged to each other; two sides in the front of the front base plate are hinged to the lower ends of the support frame arms of the support frame; and two sides at the back of the rear base plate are hinged to the lower parts of the support pipes. The cart is of a whole hinged structure and can be conveniently folded; due to the adoption of the way that the front base plate and the rear base plate are hinged, the whole cart can be driven to be folded through applying force at the hinged parts; and the folding cart has the advantages that the structure is simple, the whole cart is portable, the operation is very convenient, the size after folding is very small, and the carry is convenient.

Description

A kind of foldable wheelbarrow

Technical field

The present invention relates to a kind of go-cart, especially a kind of folding go-cart.

Background technology

At present, supermarket, outdoor travel etc. need to be used hand barrow usually, and existing hand barrow is not collapsible mostly, has taken like this than large space, and it deposits and carry all inconvenient.

It is folding that some hand barrows are also arranged, be the disclosed a kind of Foldable pushcart of Chinese patent application of CN101850779A such as publication No., comprise front frame, the back of the body frame, a pair of side frame and wheel, also comprise top gear frame and bottom gear frame, when folding, need to top be kept off frame by handle mentions to vertical state, then slowly put to front frame and junction, side frame bottom, by another handle the bottom being kept off frame again rotates near to carrying on the back frame, minute side frame on both sides is rotated inwards, and front frame and the gathering of back of the body frame tightly are close together.

This foldable wheelbarrow, structure are comparatively complicated, and the operation that launches and fold all has certain complexity and difficulties, uses not very convenient.

Summary of the invention

Technical matters to be solved by this invention is the problem for above-mentioned prior art, and a kind of foldable wheelbarrow is provided, and is simple in structure, folding convenient is light and handy, is easy to carry.

The present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of foldable wheelbarrow, comprise rectangular upper ledge and the handrail tube of sweptback U-shaped, it is characterized in that, the carriage that also comprises the U-shaped of support tube and inclination, described handrail tube is hinged with described upper ledge respective side respectively to two handrail tube arms of downward-extension, two carriage arms of carriage extend upward rear hinged with the handrail tube arm of respective side respectively, and the arranged in a crossed manner and upper end of described support tube and carriage arm and upper ledge are hinged; The front and back that also are included in the bottom arrange front chassis and the rear chassis of the shaped as frame that is articulated and connected, and the carriage arm lower end of the front part sides of described front chassis and carriage is hinged, the both sides, rear portion of rear chassis and the lower hinge of support tube.

The end relative with rear chassis, described front chassis both sides has the first folded piece, and the end relative with front chassis, described rear chassis both sides has second folded piece hinged with the first folded piece, and thus, realize being articulated and connected by folded piece in former and later two chassis.

Described front chassis and rear chassis are welded by square tube moulding heel wire netting, are formed for the chassis of storage.

The front end of described rear chassis also is connected to form framed structure by the hinged place of flexible connecting member and support tube and carriage, because the characteristic that can not prolong of flexible connecting member, can be used as the inhibiting device that go-cart launches rear whole fold mechanism, guarantee the stable of framed structure, and involve the chassis and make it to possess the articles loading capability.

Also comprise cardan wheel and roller, described cardan wheel is separately positioned on the front part sides below of carriage, and described roller is separately positioned on two terminal belows of support tube, can promote go-cart by handrail tube thus and move.

Also comprise flexible cloth, described flexible cloth is arranged between described upper ledge and front chassis, the rear chassis and surrounds bicycle basket, can hold article in bicycle basket.

Compared with prior art, the invention has the advantages that: go-cart is whole to be hinged structure, be convenient to fold, adopt the hinged mode in forward and backward chassis, it is folding, simple in structure only to need can to drive whole go-cart to the hinged place application of force, whole light, operation is very easy, and volume after folding is less, is easy to carry.

Description of drawings

Fig. 1 is the structural representation of go-cart of the present invention;

Fig. 2 is the folding process scheme drawing of go-cart of the present invention;

Fig. 3 is the folded state scheme drawing of go-cart of the present invention.

The specific embodiment

Embodiment is described in further detail the present invention below in conjunction with accompanying drawing.

Referring to Fig. 1, a kind of foldable wheelbarrow comprises upper ledge 1, handrail tube 2, support tube 3 and carriage 4.

Upper ledge 1 is rectangular, handrail tube 2 is sweptback U-shaped, handrail tube 2 is hinged with upper ledge 1 respective side respectively to two handrail tube arms 21 of downward-extension, carriage 4 is the U-shaped of inclination equally, its angle of inclination is identical with handrail tube 2, and is terminal hinged with the handrail tube arm 21 of handrail tube 2 respective side respectively endways after two carriage arms 41 extend upward.Support tube 3 is arranged in a crossed manner with the arm of carriage 4, and hinged at infall, and the upper end of support tube 3 and upper ledge 1 are hinged.

Front chassis 5 and 6, two chassis of rear chassis of also being included in the front and back setting of bottom become shaped as frame heel wire netting to be welded by square tube.Front chassis 5 both sides and rear chassis 6 relative ends are welded with the first folded piece 51, rear chassis 6 both sides and front chassis 5 relative ends are welded with the second folded piece 61, two folded pieces are the aspect of extending at fore-and-aft direction and parallel to each other, two folded pieces are articulated and connected, and are provided with packing ring 7 between the two.Carriage arm 41 lower ends of the front part sides of front chassis 5 and carriage 4 are hinged, the both sides, rear portion of rear chassis 6 and the lower hinge of support tube 3.The front end of rear chassis 6 can also pass through flexible connecting member 62, and such as rope, band, chain etc., the hinged place of being connected with carriage with support tube 3 is connected, thereby forms framed structure.The front part sides below of carriage 4 is provided with cardan wheel 8, and two terminal belows of support tube 3, is respectively equipped with roller 9, is not provided with synchronous connecting rod 91 between two of homonymy rollers 9, thus, can promote go-cart and move.

Flexible cloth can be arranged between upper ledge 1 and front chassis 5, the rear chassis 6, and surrounds bicycle basket, transports thereby be used for placing articles.

In the time of need to taking in go-cart, referring to Fig. 2, arrow is the direction of the application of force, can upwards play by pin so that upwards rotate in the junction on two chassis the junction between former and later two chassis, relatively folding, because whole go-cart is for being articulated and connected, this moment, upper ledge 1 was along the anticlockwise direction rotation of Fig. 2, and drive handrail tube 2 relatively and the hinged places of carriage 4 rotate counterclockwise and press down, drive at last support tube 3 and carriage 4 also relatively rotates folding in its hinged place.Referring to Fig. 3, be the state of go-cart of the present invention after folding, small volume is taken in and carries all very convenient.

The above is preferred implementation of the present invention only, should be pointed out that for the ordinary skill in the art, not breaking away under the principle prerequisite of the present invention, can also make various deformation and improvement, and this also should be considered as protection scope of the present invention.

Claims

1. foldable wheelbarrow, the handrail tube (2) that comprises rectangular upper ledge (1) and sweptback U-shaped, it is characterized in that, the carriage (4) of the U-shaped that also comprises support tube (3) and tilt, described handrail tube (2) is hinged with described upper ledge (1) respective side respectively to two handrail tube arms (21) of downward-extension, two carriage arms (41) of carriage (4) extend upward rear hinged with the handrail tube arm (21) of respective side respectively, and the arranged in a crossed manner and upper end of described support tube (3) and carriage arm (41) and upper ledge (1) are hinged;

The front and back that also are included in the bottom arrange front chassis (5) and the rear chassis (6) of the shaped as frame that is articulated and connected, carriage arm (41) lower end of the front part sides of described front chassis (5) and carriage (4) is hinged, the lower hinge of the both sides, rear portion of rear chassis (6) and support tube (3).

2. foldable wheelbarrow as claimed in claim 1, it is characterized in that, the end relative with rear chassis (6), described front chassis (5) both sides has the first folded piece (51), and the end relative with front chassis (5), described rear chassis (6) both sides has second folded piece (61) hinged with the first folded piece (51).

3. foldable wheelbarrow as claimed in claim 2 is characterized in that, described front chassis (5) and rear chassis (6) are welded by square tube moulding heel wire netting.

4. such as each described foldable wheelbarrow among the claim 1-3, it is characterized in that the front end of described rear chassis (6) also is connected to form framed structure by the hinged place of flexible connecting member (62) and support tube (3) and carriage (4).

5. such as each described foldable wheelbarrow among the claim 1-3, it is characterized in that, also comprise cardan wheel (8) and roller (9), described cardan wheel (8) is separately positioned on the front part sides below of carriage (4), and described roller (9) is separately positioned on two terminal belows of support tube (3).

6. such as each described foldable wheelbarrow among the claim 1-3, it is characterized in that, also comprise flexible cloth, described flexible cloth is arranged between described upper ledge (1) and front chassis (5), the rear chassis (6) and surrounds bicycle basket.